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On the first season finale, we learn about Cathy and her bee sting treatment. Read on for a complete recap.

Cathy seeks alternative treatment this week. Viewers are also treated to a guest appearance by Liam Neeson.

Paul takes the news of Cathy's cancer hard this week, but he ends up responding in the perfect, caring way. Elsewhere, Cathy leans troubling information about Marlene, while Rebecca and Sean break up.

Cathy learns something about Andrea when she visits her at home this week. In other storyline news, Sean and Rebecca call it quits.

Cathy gets bad news from her doctor on this episode: she has NOT been accepted for a clinical trial. Elsewhere, Andrea and Adam get into a fight, while Paul discovers something important.

This week's episode is title "Happy Birthday, Cancer." It features Cynthia Nixon as a guest star, along with Cathy's birthday.

Sean learns about Cathy's news on this episode. Elsewhere, Adam throws up on Marlene's lawn after getting wasted.

Cathy asks Lenny to get assistance on this week's episode. Elsewhere, Paul and Adam take part in a bathtub race, while Sean sort of moves in.

Cathy meets a man this week, while Sean attempts to keep his building and Adam is caught... watching porn. That's always awkward.

Cathy acts as Dr. Todd's girlfriend this week. The pair meet up with realtor to look at a new home.

Cathy joins a support group on this week's installment. Elsewhere, Marlene learns about Cathy's secret.

Paul wants him and Cathy to see a therapist on this week's episode. Elsewhere, Adam tries to to escape from his soccer camp.

On the pilot episode of The Big C, we meet Cathy and learn of her diagnosis: stage four skin cancer. How will this affect her life?